This report outlines the approaches that state education agencies (SEAs) have taken in defining and using formative assessment practices, including practices to explicitly support students with disabilities. At the state level, there have been efforts to develop or adopt formal definitions of formative assessment practices that guide how these…

This report provides 10 lessons about how to ensure inclusive assessment practices for students with disabilities and English learners. In addition to the 10 lessons, it provides foundational information on the characteristics of these students that require consideration during all phases of assessment design, development, and implementation. The…

As states, districts, and schools plan to return for the 2021-22 school year, questions are raised about whether and how to test children with disabilities, including children with the most significant cognitive disabilities and English learners with disabilities. This FAQ addresses some common questions and provides links to useful resources.

This report presents the findings of a survey of states that examined the policies, practices, and procedures State Education Agencies (SEAs) used to monitor IEPs for participation decision making in alternate assessments based on alternate academic achievement standards (AA-AAAS). It is imperative that only students with the most significant…

The National Center on Educational Outcomes (NCEO) held a virtual meeting of an Interim Assessment Advisory Panel on February 16 and 17, 2021, to tap into the panel members' collective knowledge about using interim assessments to support valid interpretations of what students with disabilities know and can do. The panel represented…

This report is an update of the assessment principles and guidelines for English language learners published in 2013 (Thurlow, Liu, Ward, & Christensen). That report, which was developed by the Improving the Validity of Assessment Results for English Language Learners with Disabilities (IVARED) project, presented essential principles of…

This article argues that test takers are as integral to determining validity of test scores as defining target content and conditioning inferences on test use. A principled sustained attention to how students interact with assessment opportunities is essential, as is a principled sustained evaluation of evidence confirming the validity or calling…

This report provides an update on the state of the research on testing accommodations. Previous reports by the National Center on Educational Outcomes (NCEO) have covered research published since 1999. In this report, we summarize the research published in 2019. During 2019, 11 research studies were published on the topic of testing accommodations…

The purpose of this report is to provide a synthesis of the research on K-12 testing accommodations. In this report, we summarize the research published in 2017. Previous reports by NCEO have covered research published since 1999. During 2017, 14 research studies were published on the topic of testing accommodations in the elementary and secondary…

This article highlights a set of principles and guidelines, developed by a diverse group of specialists in the field, for appropriately including English language learners (ELLs) with disabilities in large-scale assessments. ELLs with disabilities make up roughly 9% of the rapidly increasing ELL population nationwide. In spite of the small overall…

This report provides an update on the state of the research on testing accommodations. Previous reports by the National Center on Educational Outcomes (NCEO) have covered research published since 1999. In this report, we summarize the research published in 2020. During 2020, 11 research studies addressed testing accommodations in the U.S. K-12…

The purpose of this report is to present a synthesis of the research on test accommodations for U.S. elementary and secondary students (K-12) published in 2018. The academic literature described here encompasses empirical studies of performance comparability, investigations into accommodations use, implementation practices, and perceptions of the…

This report presents the findings of an analysis of states' FFY 2018 State Systemic Improvement Plans (SSIPs), submitted to the U.S. Department of Education's Office of Special Education Programs (OSEP) in April 2020. It specifically addresses how assessments were included in states' State-Identified Measurable Results (SIMRs). For states with…

This "Guide" is an update to the State Guide to Universally Designed Assessments produced by the National Center on Educational Outcomes (NCEO) in 2006 (Johnstone et al.). It provides a brief overview of what a universally designed assessment is, followed by a set of steps for states to consider when designing and developing, or…

This Brief provides an overview of issues related to the inclusion of students with disabilities and English learners with disabilities in early grade (that is, K-2) assessments and offers strategies for improved practices.